CZ Check: Faceting Design Diagram

Detailed information and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called "CZ Check".


Cubic Zirconia

CZ Check (CZ9.JRG)
By Jeff R. Graham
Copyright 1997
81% Light Return
Angles for R.I. = 2.20
40 facets + 4 facets on girdle = 44
4-fold, mirror-image symmetry
96 index
L/W = 1.000 P/W = 0.511 C/W = 0.329
H/W = (P+C)/W+0.02 = 0.860
P/H = 0.594 C/H = 0.382
Vol./W^3 = 0.396

Addition # 3 - This is fun to cut, there are no meets on the top after C3. Cut them as square as you can. This design has a lot of sparkle, you will be surprised. Cut in about any color and size… Cut in refractive indexes 1.73 (83.1%) to 2.14 with no changes.

Random - Cosine - ISO

Detailed faceting instructions by Jeff Graham available at The Rock Peddler

Jeff R. Graham

The late Jeff Graham was a prolific faceter, creator of many original faceting designs, and the author of several highly-regarded instructional faceting books such as Gram Faceting Designs.

Never Stop Learning

When you join the IGS community, you get trusted diamond & gemstone information when you need it.

Become a Member

Get Gemology Insights

Get started with the International Gem Society’s free guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist!